What’s Vulnerable › Vulnerabilities

CVE-2017-11919

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-12 · updated 2026-06-17
• Weakness: CWE-200

Description

ChakraCore, and Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, and Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016, and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to obtain information to further compromise the user's system, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2017-11887 and CVE-2017-11906.

Affected products

• Microsoft ChakraCore: before 1.7.5 — fixed in 1.7.5
• Microsoft Edge: all versions
• Microsoft Internet Explorer 11: 11
• Microsoft Corporation ChakraCore, Internet Explorer, Microsoft Edge: ChakraCore, Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, and Windows 10 Gold, 1511, 1607, 1703, 1709, Windows Server 2016, and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016.

How to fix

Upgrade to a fixed version: Microsoft ChakraCore 1.7.5. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/102093
• http://www.securitytracker.com/id/1039993
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11919
• http://www.securityfocus.com/bid/102093
• http://www.securitytracker.com/id/1039993
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11919

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